Re: You experienced, CELL PHONE INTERFERENCE IN B&M JOINT?
As I understand it, active jamming is illegal, this is the use of a device taht sends out a siganl to interfere with the cell phone. However passive jamming is not illegal, that is construction techniques designed to block transmission through the building.
I have never heard of any jamming equipment that can change the settings on your phone and turn off the ringers.
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